Network Daemons
A daemon is a program that waits for another program to ask it to do something. Network daemons in particular are similar to the jacks in an operator's switchboard. They create one or more sockets and listen to those sockets, waiting for another process to connect. In Linux, as with most variants of UNIX, network services can be provided in one of two ways: as standalone daemons where they handle each session themselves or incorporated into another configuration (such as inetd) that handles the connections and disconnections for it.
Standalone TCP/IP Daemons
Originally, all UNIX network servers were standalone daemons. When you wanted to start a server, you ran a program that created the socket and listened to it. Many UNIX server ...
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